发明授权
US4703129A Process for the continuous preparation of trioxane 失效
连续制备三恶烷的方法

Process for the continuous preparation of trioxane
摘要:
The invention relates to a process for the continuous preparation of trioxane, optionally together with cyclic formals, from an aqueous formaldehyde solution in the presence of acidic solid-bed catalysts, the reaction taking place without simultaneous evaporation.The process according to the invention can be carried out even at high formaldehyde concentrations without appreciable paraformaldehyde deposits.
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